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Which metals do not corrode easily?...

Which metals do not corrode easily?

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Those metals which are at the bottom of the reactivity series are highly unreactive and do not corrode easily (because they are not affected by air, moisture or ordinary chemicals). The two examples of metals which do not corrode easily are gold and platinum.
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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. Define the following terms. (i) Mineral (ii) Ore (iii) Gangue

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  2. Name two metals which are found in nature in the free state.

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  3. What chemical process is used for obtaining a metal from its oxide?

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  4. Metallic oxides of zinc, magnesium and copper were heated with the fol...

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  5. Which metals do not corrode easily?

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  6. What are alloys?

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  7. Which of the following pairs will give displacement reactions?

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  8. Which of the following methods is suitable for preventing an iron fryi...

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  9. An element reacts with oxygen to give a compound with a high melting p...

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  10. Food cans are coated with tin and not with zinc because

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  11. You are given a hammer, a battery, a bulb, wires and a switch. (a) H...

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  12. What are amphoteric oxides? Give two examples of amphoteric oxides.

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  13. Name two metals which will displace hydrogen from dilute acids, and tw...

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  14. In the electrolytic refining of a metal M, what would you take as the ...

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  15. Pratyush took sulphur powder on a spatula and heated it. He collected ...

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  16. State two ways to prevent the rusting of iron.

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  17. What type of oxides is formed when non-metals combine with oxygen?

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  18. Give reasons (a) Platinum, gold and silver are used to make jeweller...

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  19. You must have seen tarnished copper vessels being cleaned with lemon o...

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  20. Differentiate between metal and non-metal on the basis of their chemic...

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